Home / 162,001.79-223,562.60-90,381.82

Finding the Fourth Proportional to 162,001.79, 223,562.60 and 90,381.82

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Solution

The fourth proportional to 162,001.79, 223,562.60 and 90,381.82 is: 124,726.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,001.79 : 223,562.60 = 90,381.82 : x
  2. Step 2: Convert to fraction form
    162,001.79/223,562.60 = 90,381.82/x
  3. Step 3: Cross multiply
    162,001.79x = 223,562.60 × 90,381.82
  4. Step 4: Simplify right side
    162,001.79x = 20,205,994,338.98
  5. Step 5: Solve for x
    x = 20,205,994,338.98/162,001.79
  6. Step 6: Final answer
    x = 124,726.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.